| Name | CVE-2019-11503 |
| Description | snap-confine as included in snapd before 2.39 did not guard against symlink races when performing the chdir() to the current working directory of the calling user, aka a "cwd restore permission bypass." |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 928052 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| snapd (PTS) | stretch (security) | 2.21-2+deb9u1 | vulnerable |
| stretch (lts), stretch | 2.21-2+deb9u3 | vulnerable |
| buster (security), buster, buster (lts) | 2.37.4-1+deb10u3 | vulnerable |
| bullseye (security), bullseye | 2.49-1+deb11u2 | fixed |
| bookworm | 2.57.6-1 | fixed |
| trixie | 2.65.3-1 | fixed |
| sid | 2.66.1-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| snapd | source | (unstable) | 2.40-1 | low | | 928052 |
Notes
[buster] - snapd <no-dsa> (Minor issue)
[stretch] - snapd <no-dsa> (Minor issue)
https://github.com/snapcore/snapd/pull/6642